[INFO] fetching crate audio-device 0.1.0-alpha.6... [INFO] checking audio-device-0.1.0-alpha.6 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604 [INFO] extracting crate audio-device 0.1.0-alpha.6 into /workspace/builds/worker-7-tc1/source [INFO] validating manifest of crates.io crate audio-device 0.1.0-alpha.6 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate audio-device 0.1.0-alpha.6 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate audio-device 0.1.0-alpha.6 [INFO] tweaked toml for crates.io crate audio-device 0.1.0-alpha.6 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate crates.io crate audio-device 0.1.0-alpha.6 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded proc-macro2 v1.0.26 [INFO] [stderr] Downloaded const-sha1 v0.2.0 [INFO] [stderr] Downloaded tokio-macros v1.1.0 [INFO] [stderr] Downloaded windows v0.8.0 [INFO] [stderr] Downloaded instant v0.1.9 [INFO] [stderr] Downloaded unicode-xid v0.2.1 [INFO] [stderr] Downloaded rand_hc v0.3.0 [INFO] [stderr] Downloaded pkg-config v0.3.19 [INFO] [stderr] Downloaded quote v1.0.9 [INFO] [stderr] Downloaded audio v0.2.0-alpha.3 [INFO] [stderr] Downloaded generator v0.6.25 [INFO] [stderr] Downloaded cc v1.0.67 [INFO] [stderr] Downloaded rand v0.8.3 [INFO] [stderr] Downloaded mio v0.7.11 [INFO] [stderr] Downloaded loom v0.4.1 [INFO] [stderr] Downloaded audio-device-windows-sys v0.1.0-alpha.1 [INFO] [stderr] Downloaded ntapi v0.3.6 [INFO] [stderr] Downloaded bytes v1.0.1 [INFO] [stderr] Downloaded nix v0.20.0 [INFO] [stderr] Downloaded parking_lot_core v0.8.3 [INFO] [stderr] Downloaded syn v1.0.69 [INFO] [stderr] Downloaded parking_lot v0.11.1 [INFO] [stderr] Downloaded pin-project-lite v0.2.6 [INFO] [stderr] Downloaded audio-core v0.2.0-alpha.3 [INFO] [stderr] Downloaded anyhow v1.0.40 [INFO] [stderr] Downloaded audio-device-alsa-sys v0.1.0-alpha.1 [INFO] [stderr] Downloaded ppv-lite86 v0.2.10 [INFO] [stderr] Downloaded getrandom v0.2.2 [INFO] [stderr] Downloaded log v0.4.14 [INFO] [stderr] Downloaded tokio v1.5.0 [INFO] [stderr] Downloaded once_cell v1.7.2 [INFO] [stderr] Downloaded redox_syscall v0.2.6 [INFO] [stderr] Downloaded smallvec v1.6.1 [INFO] [stderr] Downloaded signal-hook-registry v1.3.0 [INFO] [stderr] Downloaded libc v0.2.93 [INFO] [stderr] Downloaded rand_chacha v0.3.0 [INFO] [stderr] Downloaded rand_core v0.6.2 [INFO] [stderr] Downloaded rustversion v1.0.4 [INFO] [stderr] Downloaded ste v0.1.0-alpha.9 [INFO] [stderr] Downloaded thiserror-impl v1.0.24 [INFO] [stderr] Downloaded thiserror v1.0.24 [INFO] [stderr] Downloaded autocfg v1.0.1 [INFO] [stderr] Downloaded miow v0.3.7 [INFO] [stderr] Downloaded hermit-abi v0.1.18 [INFO] [stderr] Downloaded memchr v2.3.4 [INFO] [stderr] Downloaded lock_api v0.4.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fb88e71ab7733a13970a8db39f09f67242d923a8958588943c337406aaaecfa2 [INFO] running `Command { std: "docker" "start" "-a" "fb88e71ab7733a13970a8db39f09f67242d923a8958588943c337406aaaecfa2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fb88e71ab7733a13970a8db39f09f67242d923a8958588943c337406aaaecfa2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fb88e71ab7733a13970a8db39f09f67242d923a8958588943c337406aaaecfa2", kill_on_drop: false }` [INFO] [stdout] fb88e71ab7733a13970a8db39f09f67242d923a8958588943c337406aaaecfa2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2d1a078863688a3dbe5e69b1626188cc751ce5c695b879cd62681daee046e35a [INFO] running `Command { std: "docker" "start" "-a" "2d1a078863688a3dbe5e69b1626188cc751ce5c695b879cd62681daee046e35a", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.93 [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.69 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Checking smallvec v1.6.1 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Checking pin-project-lite v0.2.6 [INFO] [stderr] Checking once_cell v1.7.2 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Checking bytes v1.0.1 [INFO] [stderr] Compiling anyhow v1.0.40 [INFO] [stderr] Checking instant v0.1.9 [INFO] [stderr] Checking audio-core v0.2.0-alpha.3 [INFO] [stderr] Checking lock_api v0.4.3 [INFO] [stderr] Checking audio v0.2.0-alpha.3 [INFO] [stderr] Compiling tokio v1.5.0 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking parking_lot_core v0.8.3 [INFO] [stderr] Checking mio v0.7.11 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking signal-hook-registry v1.3.0 [INFO] [stderr] Checking rand_core v0.6.2 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Checking rand_chacha v0.3.0 [INFO] [stderr] Checking rand v0.8.3 [INFO] [stderr] Compiling tokio-macros v1.1.0 [INFO] [stderr] Compiling thiserror-impl v1.0.24 [INFO] [stderr] Checking thiserror v1.0.24 [INFO] [stderr] Checking ste v0.1.0-alpha.9 [INFO] [stderr] Checking audio-device v0.1.0-alpha.6 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `::std::thread` [INFO] [stdout] --> src/loom/mod.rs:2:16 [INFO] [stdout] | [INFO] [stdout] 2 | pub(crate) use ::std::thread; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `::std::sync::Arc` [INFO] [stdout] --> src/loom/sync.rs:2:16 [INFO] [stdout] | [INFO] [stdout] 2 | pub(crate) use ::std::sync::Arc; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `loom` [INFO] [stdout] --> src/runtime/atomic_waker.rs:1:17 [INFO] [stdout] | [INFO] [stdout] 1 | #![cfg_attr(any(loom, not(feature = "sync")), allow(dead_code, unreachable_pub))] [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, and `windows` [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `sync` [INFO] [stdout] --> src/runtime/atomic_waker.rs:1:27 [INFO] [stdout] | [INFO] [stdout] 1 | #![cfg_attr(any(loom, not(feature = "sync")), allow(dead_code, unreachable_pub))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `alsa`, `alsa-sys`, `default`, `events-driver`, `libc`, `nix`, `poll-driver`, `unix`, `wasapi`, `windows`, and `windows-sys` [INFO] [stdout] = help: consider adding `sync` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `::std::thread` [INFO] [stdout] --> src/loom/mod.rs:2:16 [INFO] [stdout] | [INFO] [stdout] 2 | pub(crate) use ::std::thread; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `::std::sync::Arc` [INFO] [stdout] --> src/loom/sync.rs:2:16 [INFO] [stdout] | [INFO] [stdout] 2 | pub(crate) use ::std::sync::Arc; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `loom` [INFO] [stdout] --> src/runtime/atomic_waker.rs:1:17 [INFO] [stdout] | [INFO] [stdout] 1 | #![cfg_attr(any(loom, not(feature = "sync")), allow(dead_code, unreachable_pub))] [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, and `windows` [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `sync` [INFO] [stdout] --> src/runtime/atomic_waker.rs:1:27 [INFO] [stdout] | [INFO] [stdout] 1 | #![cfg_attr(any(loom, not(feature = "sync")), allow(dead_code, unreachable_pub))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `alsa`, `alsa-sys`, `default`, `events-driver`, `libc`, `nix`, `poll-driver`, `unix`, `wasapi`, `windows`, and `windows-sys` [INFO] [stdout] = help: consider adding `sync` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `MutexGuard` is never constructed [INFO] [stdout] --> src/loom/sync.rs:5:19 [INFO] [stdout] | [INFO] [stdout] 5 | pub(crate) struct MutexGuard<'a, T> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Mutex` is never constructed [INFO] [stdout] --> src/loom/sync.rs:23:19 [INFO] [stdout] | [INFO] [stdout] 23 | pub(crate) struct Mutex { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `lock` are never used [INFO] [stdout] --> src/loom/sync.rs:28:19 [INFO] [stdout] | [INFO] [stdout] 27 | impl Mutex { [INFO] [stdout] | ---------------- associated items in this implementation [INFO] [stdout] 28 | pub(crate) fn new(value: T) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 34 | pub(crate) fn lock(&self) -> MutexGuard<'_, T> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `MutexGuard` is never constructed [INFO] [stdout] --> src/loom/sync.rs:5:19 [INFO] [stdout] | [INFO] [stdout] 5 | pub(crate) struct MutexGuard<'a, T> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Mutex` is never constructed [INFO] [stdout] --> src/loom/sync.rs:23:19 [INFO] [stdout] | [INFO] [stdout] 23 | pub(crate) struct Mutex { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `lock` are never used [INFO] [stdout] --> src/loom/sync.rs:28:19 [INFO] [stdout] | [INFO] [stdout] 27 | impl Mutex { [INFO] [stdout] | ---------------- associated items in this implementation [INFO] [stdout] 28 | pub(crate) fn new(value: T) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 34 | pub(crate) fn lock(&self) -> MutexGuard<'_, T> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.17s [INFO] running `Command { std: "docker" "inspect" "2d1a078863688a3dbe5e69b1626188cc751ce5c695b879cd62681daee046e35a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2d1a078863688a3dbe5e69b1626188cc751ce5c695b879cd62681daee046e35a", kill_on_drop: false }` [INFO] [stdout] 2d1a078863688a3dbe5e69b1626188cc751ce5c695b879cd62681daee046e35a